13478895 has 24 divisors (see below), whose sum is σ = 23864256. Its totient is φ = 7034688.

The previous prime is 13478887. The next prime is 13478903. The reversal of 13478895 is 59887431.

It is an interprime number because it is at equal distance from previous prime (13478887) and next prime (13478903).

It is not a de Polignac number, because 13478895 - 2³ = 13478887 is a prime.

It is a super-2 number, since 2×13478895² = 363361220842050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13478895.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (994344).

Almost surely, 2^13478895 is an apocalyptic number.

13478895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13478895 is a deficient number, since it is larger than the sum of its proper divisors (10385361).

13478895 is a wasteful number, since it uses less digits than its factorization.

13478895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431 (or 6428 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 13478895 is about 3671.3614640893. The cubic root of 13478895 is about 237.9860112297.

The spelling of 13478895 in words is "thirteen million, four hundred seventy-eight thousand, eight hundred ninety-five".